brewery/.github/workflows/build.yaml

name: Build and deploy containers
# Pushes to main will build containers with staging env's and push them as staging images, whereas release goes to production.
on:
  release:
    types: [published]
  push:
    branches:
      - main
env:
  IMAGE_NAME: ${{ github.event_name == 'release' && 'brewery' || 'brewery-staging' }}

jobs:
  push_package:
    if: ${{ github.event_name == 'release' || (github.event_name == 'push' && !contains(github.event.head_commit.message, '#no-deploy')) }}
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v4

      - name: Build image
        run: docker build . --file Dockerfile.self-host --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"

      - name: Log in to registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
        #
      - name: Push image
        run: |
          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

          # This changes all uppercase characters to lowercase.
          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')

          # This strips the git ref prefix from the version.
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

          # This strips the "v" prefix from the tag name.
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')

          VERSION=latest
          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION
          docker tag $BACKEND_IMAGE_NAME $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION